Frequency Domain Compressive Sampling for Ultrasound Imaging

Table 2

NRMSE between the CS-reconstructed RF US image and the original in vivo image of the skin for different sampling ratios and patterns.

		Φ1	Φ2	Φ3
	25%	0.64	0.71	0.64
Classic ℓ1 minimization (𝜆=0.01)	33%	0.48	0.57	0.35
	50%	0.28	0.35	0.35
	25%	0.65	0.67	0.73
Reweighted ℓ1 minimization	33%	0.51	0.65	0.61
	50%	0.38	0.44	0.43